Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc vu hoan snippets" » "phuc vu hoang snippets", "phuc su hoan snippets", "phuc thu hoan snippets", "thuc vu hoan snippets", "phu vu hoan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phuc vu hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc vu hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc vu hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc vu hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.